<script setup>
import {
    Edit,
    Delete
} from '@element-plus/icons-vue'

import { ref } from 'vue'

//文章分类数据模型
const varietys = ref([
    {
        "id": 1,
        "variety": "猫"
    }
])

//用户搜索时选中的分类id
const variety = ref('')

//用户搜索时选中的发布状态
const state = ref('')

//文章列表数据模型
const sciences = ref([
    {
        "id": null,
        "title": "",
        "text": "",
        "pic": "",
        "state": "",
        "userName": "",
        "petVariety": null,
        "petSubVariety": "",
        "createTime": "",
        "updateTime": ""
    },
])

//分页条数据模型
const pageNum = ref(1)//当前页
const total = ref(20)//总条数
const pageSize = ref(3)//每页条数

//当每页条数发生了变化，调用此函数
const onSizeChange = (size) => {
    pageSize.value = size
    scienceList()
}
//当前页码发生变化，调用此函数
const onCurrentChange = (num) => {
    pageNum.value = num
    scienceList()
}

// 宠物种类
import { scienceVarietyListService, scienceListService, addScienceService, scienceDeleteService, scienceEditService } from "@/api/science.js"
const scienceVarietyList = async () => {
    let result = await scienceVarietyListService();
    varietys.value = result.data
}
scienceVarietyList()

//文章list
const scienceList = async () => {
    let params = {
        pageNum: pageNum.value,
        pageSize: pageSize.value,
        petVariety: variety.value ? variety.value : null,
        state: state.value ? state.value : null,
    }
    let result = await scienceListService(params);
    total.value = result.data.total;
    sciences.value = result.data.items;
}
scienceList()

// 添加文章
import { QuillEditor } from '@vueup/vue-quill'
import '@vueup/vue-quill/dist/vue-quill.snow.css'
import { Plus } from '@element-plus/icons-vue'
//控制抽屉是否显示
const visibleDrawer = ref(false)
//添加表单数据模型
const scienceModel = ref({
    title: '',
    petVariety: '',
    petSubVariety: '',
    pic: '',
    text: '',
    state: '',
})

//上传图片
//导入token
import { useTokenStore } from '@/store/token.js';
const token = useTokenStore();
//上传成功的回调函数
const uploadSuccess = (res) => {
    scienceModel.value.pic = res.data;
}
const nOptions = ref('')
//添加文章
import { ElMessage, ElMessageBox } from 'element-plus';
const addScience = async (addState) => {
    if (addState === '草稿') {
        scienceModel.value.state = 1;
    } else {
        scienceModel.value.state = 0;
    }
    let result = await addScienceService(scienceModel.value);
    ElMessage.success(result.msg ? result.msg : '添加成功')
    visibleDrawer.value = false;
    scienceList()
}
//删除文章
const scienceDelete = (id) => {
    ElMessageBox.confirm(
        '您确认要删除吗?',
        '温馨提示',
        {
            confirmButtonText: '确认',
            cancelButtonText: '取消',
            type: 'warning',
        }
    )
        .then(async () => {
            let result = await scienceDeleteService(id);
            ElMessage({
                type: 'success',
                message: '删除成功',
            })
            scienceList()
        })
        .catch(() => {
            ElMessage({
                type: 'info',
                message: '放弃删除',
            })
        })
}
//修改文章
const showEdit = async (row) => {
    visibleDrawer.value = true;
    scienceModel.value.id = row.id;
    scienceModel.value.title = row.title;
    scienceModel.value.petVariety = row.petVariety;
    scienceModel.value.petSubVariety = row.petSubVariety;
    scienceModel.value.pic = row.pic;
    scienceModel.value.text = row.text;
    scienceModel.value.state = row.state;
}
const scienceEdit = async (addState) => {
    if (addState === '草稿') {
        scienceModel.value.state = 1;
    } else {
        scienceModel.value.state = 0;
    }
    let result = scienceEditService(scienceModel.value);
    ElMessage.success(result.msg ? result.msg : '更新成功')
    visibleDrawer.value = false;
    scienceList()
}
const clearData = () => {
    scienceModel.value.title = '';
    scienceModel.value.petVariety = '';
    scienceModel.value.petSubVariety = '';
    scienceModel.value.pic = '';
    scienceModel.value.text = '';
    scienceModel.value.state = '';
    console.log(scienceModel.value.text)
}
</script>
<template>
    <el-card class="page-container">
        <template #header>
            <div class="header">
                <span>文章管理</span>
                <div class="extra">
                    <el-button type="primary" @click="visibleDrawer = true; nOptions = '添加'; clearData()">添加文章</el-button>
                </div>
            </div>
        </template>
        <!-- 搜索表单 -->
        <el-form inline>
            <el-form-item label="文章分类：">
                <el-select placeholder="请选择" v-model="variety" style="width: 240px">
                    <el-option v-for="c in varietys" :key="c.id" :label="c.variety" :value="c.variety">
                    </el-option>
                </el-select>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" @click="scienceList">搜索</el-button>
                <el-button @click="variety = ''; state = ''">重置</el-button>
            </el-form-item>
        </el-form>
        <!-- 文章列表 -->
        <el-table :data="sciences" style="width: 100%">
            <el-table-column label="文章标题" width="400" prop="title"></el-table-column>
            <el-table-column label="发表人" prop="userName"></el-table-column>
            <el-table-column label="分类" prop="petVariety"></el-table-column>
            <el-table-column label="分类" prop="petSubVariety"></el-table-column>
            <el-table-column label="发表时间" prop="createTime"> </el-table-column>
            <el-table-column label="状态" prop="state"></el-table-column>
            <el-table-column label="操作" width="100">
                <template #default="{ row }">
                    <el-button :icon="Edit" circle plain type="primary" @click="showEdit(row)"></el-button>
                    <el-button :icon="Delete" circle plain type="danger" @click="scienceDelete(row.id)"></el-button>
                </template>
            </el-table-column>
            <template #empty>
                <el-empty description="没有数据" />
            </template>
        </el-table>
        <!-- 分页条 -->
        <el-pagination v-model:current-page="pageNum" v-model:page-size="pageSize" :page-sizes="[3, 5, 10, 15]"
            layout="jumper, total, sizes, prev, pager, next" background :total="total" @size-change="onSizeChange"
            @current-change="onCurrentChange" style="margin-top: 20px; justify-content: flex-end" />
        <!-- 抽屉 -->
        <el-drawer v-model="visibleDrawer" title="添加文章" direction="rtl" size="50%">
            <!-- 添加文章表单 -->
            <el-form :model="scienceModel" label-width="100px">
                <el-form-item label="文章标题">
                    <el-input v-model="scienceModel.title" placeholder="请输入标题"></el-input>
                </el-form-item>
                <el-form-item label="文章分类">
                    <el-select placeholder="请选择" v-model="scienceModel.petVariety" @click="scienceVarietyList">
                        <el-option v-for="c in varietys" :key="c.id" :label="c.variety" :value="c.variety">
                        </el-option>
                    </el-select>
                    <el-select placeholder="请选择" v-model="scienceModel.variety">
                        <el-option v-for="c in categorys" :key="c.id" :label="c.categoryName" :value="c.id">
                        </el-option>
                    </el-select>
                </el-form-item>
                <el-form-item label="文章封面">
                    <!-- 
                        auto-upload:是否自动上传
                        action: 服务器接口路径
                        name: 上传的文件字段名
                        headers: 设置上传的请求头
                        on-success: 上传成功的回调函数
                    -->
                    <el-upload class="avatar-uploader" :auto-upload="true" :show-file-list="false" action="/api/upload"
                        name="file" :headers="{ 'Author': token.token }" :on-success="uploadSuccess">
                        <img v-if="scienceModel.pic" :src="scienceModel.pic" class="avatar" />
                        <el-icon v-else class="avatar-uploader-icon">
                            <Plus />
                        </el-icon>
                    </el-upload>
                </el-form-item>
                <el-form-item label="文章内容">
                    <!-- 富文本编辑器 -->
                    <div class="editor">
                        <quill-editor theme="snow" v-model:content="scienceModel.text" contentType="html">
                        </quill-editor>
                    </div>
                </el-form-item>
                <el-form-item>
                    <el-button type="primary"
                        @click="nOptions === '添加' ? addScience('已发布') : scienceEdit('已发布')">发布</el-button>
                    <el-button type="info"
                        @click="nOptions === '添加' ? addScience('草稿') : scienceEdit('已发布')">草稿</el-button>
                </el-form-item>
            </el-form>
        </el-drawer>
    </el-card>
</template>
<style lang="scss" scoped>
.page-container {
    min-height: 100%;
    box-sizing: border-box;

    .header {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}

.avatar-uploader {
    :deep() {
        .avatar {
            width: 178px;
            height: 178px;
            display: block;
        }

        .el-upload {
            border: 1px dashed var(--el-border-color);
            border-radius: 6px;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: var(--el-transition-duration-fast);
        }

        .el-upload:hover {
            border-color: var(--el-color-primary);
        }

        .el-icon.avatar-uploader-icon {
            font-size: 28px;
            color: #8c939d;
            width: 178px;
            height: 178px;
            text-align: center;
        }
    }
}

.editor {
    width: 100%;

    :deep(.ql-editor) {
        min-height: 200px;
    }
}
</style>
